Senior Backend Engineer

Remote.AR
Remote.Brazil
Remote.Bulgaria
Remote.Colombia
Remote.Georgia
Remote.Kazakhstan
Remote.Poland
Rosario
Алмати
Астана
Белград
Бенгалуру
Варна
Варшава
Вроцлав
Днепър
Ереван
Киев
Клуж-Напока
Краков
Ларнака
Лвов
Лодз
Люблин
Монтевидео
Монтерей
Одеса
Рига
София
Тбилиси
Харков

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Client

Our client operates in the travel and hospitality industry and is building a high-volume distribution and integration platform connecting downstream systems with multiple Hotel Property Management Systems (PMS) and hospitality platforms.
The platform supports mission-critical availability, rate, and inventory flows and is designed for scale, performance, and resiliency.

Project overview

The project focuses on high-throughput, low-latency distribution, handling complex hospitality concepts such as ARI (Availability, Rates, Inventory), restrictions, inventory blocks, and state reconciliation across event-driven and polling-based models.
The platform is built using Microsoft technologies (.NET and Azure), with strong emphasis on Azure infrastructure, DevOps, and relational data consistency.

Position overview

As a Senior Backend Engineer you will design, build, and maintain core backend integrations between the client’s platform and Hotel PMS / CRS / hospitality systems. This role requires hands-on experience integrating with at least one hospitality platform and strong domain knowledge of hotel distribution, combined with solid experience operating backend systems on Azure and SQL-based architectures.

Eastern European candidates are expected to maintain a 4–6 hour working overlap with the US Eastern Time zone.

Technology stack

.NET / C#;
Azure, including: Azure Virtual Machines, Azure App Gateway, Azure App Services / Functions, Azure Service Bus, Azure DevOps (pipelines, CI/CD);
SQL databases (Azure SQL, SQL Server);
REST APIs (JSON);
Event-driven architectures;
OAuth2 authentication;
Docker;
Observability & logging (Azure Monitor, Application Insights or similar).

Responsibilities

Design, build, and maintain backend integrations with Hotel PMS and hospitality platforms.
Implement idempotent ARI (Availability, Rates, Inventory) update mechanisms.
Handle complex hotel distribution concepts (rate plans, restrictions, inventory blocks).
Build and operate high-volume, low-latency distribution systems.
Reconcile system state across event-driven and polling models.
Design resilient integration patterns (idempotency, retries, deduplication).
Ensure data integrity and performance in SQL databases.
Contribute to Azure deployments, CI/CD pipelines, and operational readiness.
Collaborate with product, QA, and partner technical teams on integration contracts.
Troubleshoot and resolve production issues with external hospitality systems.

Requirements

Integration experience with at least one hospitality platform (Hotel PMS or CRS).
Strong understanding of ARI (Availability, Rates, Inventory), rate plans, restrictions, and inventory allocation.
Experience with hospitality APIs and reconciling state across event-driven and polling systems.
5+ years as Backend Engineer with system-to-system integrations.
Proficient in .NET/C#, Azure (VMs, App Gateway, App Services, Service Bus), and Azure DevOps CI/CD.
Strong in REST APIs, event-driven architectures, and SQL databases (schema design, performance).
Knowledge of idempotent API design, concurrency, retries/backoff strategies.
Experience with high-throughput production systems and good English communication skills.

Nice to have

Direct experience integrating with one or more of the following platforms:
Oracle OPERA Cloud / OHIP
Amadeus Hospitality Suite
Sabre SynXis
Cloudbeds
Mews PMS
Infor HMS
Agilysys Stay
Shiji Daylight PMS
Experience with distributed tracing and observability
Familiarity with high-availability, low-latency architectures
Understanding of Agile / Scrum methodologies

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Project overview

Position overview

Technology stack

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Requirements

Nice to have

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